Bereaved families paid a record £7.5bn inheritance tax last yearUS advances review of Nevada lithium mine amid concerns over endangered wildflowerUS women's soccer to play Olympic sendMistrial declared in case of Arizona rancher accused of murdering Mexican migrant on his landPetrol surpasses 150p a litreIn Argentina, the government's austerity plan hits universities and provokes student protestsBaltimore port to open deeper channel, enabling some cargo ships to pass after bridge collapseErik Jones to miss Dover race because of broken lower vertebraEpiphanny Prince retires from basketball after a 14Petrol surpasses 150p a litre